BIT-TOMCAT-2020-1935

In Apache Tomcat 9.0.0 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy...

Security Bulletin: Erlang OTP inets httpd Vulnerable to HTTP Request Smuggling via Duplicate Content-Length Headers

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/...

CLSA-2026-1778836031 libsoup: Fix of CVE-2026-2708

CVE-2026-2708: reject duplicate Content-Length headers with different values to prevent HTTP request smuggling per RFC 9110 section 7.7...

CLSA-2026-1778756991 libsoup: Fix of CVE-2026-2708

CVE-2026-2708: reject duplicate Content-Length headers with different values to prevent HTTP request smuggling per RFC 9110 section 7.7...

Security Bulletin: Erlang OTP inets httpd HTTP Request Smuggling via Duplicate Content-Length Handling

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/...

CVE-2026-42585 Netty: HTTP Request Smuggling due to malformed Transfer-Encoding

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final...

CVE-2026-42585 Netty: HTTP Request Smuggling due to malformed Transfer-Encoding

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final...

CVE-2026-42580

Netty vulnerability CVE-2026-42580: The chunk size parser in Netty before 4.2.13.Final and 4.1.133.Final silently overflows an int, enabling HTTP request smuggling. Affected: Netty versions prior to the fixed releases. Impact: potential request smuggling with LOW to MEDIUM described CVSS factors ...

CVE-2026-42580 Netty: HTTP Request Smuggling due to incorrect chunk size parsing

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's chunk size parser silently overflows int, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final...

Updated perl-Gazelle packages fix security vulnerability

Gazelle versions through 0.49 for Perl allows HTTP Request Smuggling via Improper Header Precedence. CVE-2026-40562...

CVE-2026-7010

HTTP::Tiny versions before 0.093 for Perl do not validate CRLF in HTTP request lines or control field header values. The unvalidated inputs are the method and URI in the request line, the URL host that becomes the Host: header, and HTTP/1.1 control data field values. An attacker who controls one ...

Unity Linux 20.1060e / 20.1070e Security Update: haproxy (UTSA-2026-017431)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017431 advisory. An integer overflow exists in HAProxy 2.0 through 2.5 in htxaddheader that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypa...

Fedora 43 : perl-Starman (2026-b94aad33a5)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-b94aad33a5 advisory. Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes Content-Length over...

Security update for jetty-minimal

This update for jetty-minimal fixes the following issues: CVE-2026-2332: In Eclipse Jetty, the HTTP/1.1 parser is vulnerable to request smuggling when chunk extensions are used, similar to the "funky chunks" techniques bsc1262115. CVE-2026-5795: Fixed JaspiAuthenticator broken access control...

Updated perl-Starlet packages fix security vulnerability

Starlet versions through 0.31 for Perl allow HTTP Request Smuggling via Improper Header Precedence. CVE-2026-40561...

MGASA-2026-0120 Updated perl-Starlet packages fix security vulnerability

Starlet versions through 0.31 for Perl allow HTTP Request Smuggling via Improper Header Precedence. CVE-2026-40561...

EUVD-2026-26712

Bandit is vulnerable to CL.CL request smuggling via unrejected duplicate Content-Length header...

GHSA-38F8-5428-X5CV Netty vulnerable to HTTP Request Smuggling due to malformed Transfer-Encoding

Summary Netty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks. Details Netty incorrectly marks a request as chunked when malformed "Transfer-Encoding: chunked, identity" is present. According to RFC...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HttpObjectDecoder component. An attacker can manipulate...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling via the getChunkSize function. An attacker can inject unauthorized HT...